32 rounded off to the nearest tens is 30
36 to the nearest tens is 40
93 to the nearest tens = 90
390
907.457 rounded off to nearest tens place is 910. If it were asked to round off to nearest "tenths" place, it would have been 907.5.
950
It is: 90
It is: 150
1070
150
2941
It is: 450